<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
	*{
		margin:0;
		padding: 0px;
		text-decoration: none;
	}
	.father{
      height:527px ;
      width: 375px;
      background-color:#F5F5F5;
       margin:0 auto;
	}
	p{
			height: 48px;
			line-height: 48px;
			text-align: center;
			font-size: 25px;
	        margin-bottom: 10px;
			background: #F5F5F5;
		}
		p a{
			color: black;
		    float: left;  
			 margin-left: 10px;
		}
	
	
</style>
</head>
<body>
	<div class="father">
		<p><a href="about.html">&lt;</a></p>
	<div>
		解决一些主要问题
		</div>
	</div>
</body>
</html>